linux-kernel - Re: [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support

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Date:	Mon, 05 May 2008 16:20:51 +0200
From:	Michal Simek <monstr@...nam.cz>
To:	John Williams <john.williams@...alogix.com>
CC:	linux-kernel@...r.kernel.org, arnd@...db.de,
	linux-arch@...r.kernel.org, stephen.neuendorffer@...inx.com,
	John.Linn@...inx.com, matthew@....cx, will.newton@...il.com,
	drepper@...hat.com, microblaze-uclinux@...e.uq.edu.au,
	grant.likely@...retlab.ca, Michal Simek <monstr@...str.eu>
Subject: Re: [PATCH 13/56] microblaze_v2: PVR support, cpuinfo support

FIXED.


>> +int cpu_has_pvr(void)
>> +{
>> +	unsigned flags;
>> +	unsigned pvr0;
>> +	int ret = 0;
>> +
>> +	local_irq_save(flags);
>> +
> 
> ...
> 
>> +out:
>> +	local_irq_restore(flags);
>> +	return ret;
>> +}
> 
> The actual IRQ clear/restore is not required - can you just use
> local_save_flags() or similar to read the MSR?

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